powerpc: Lack of ibm,io-events not that important! (53876e38) · Commits · 戴 / test

The ibm,io-events code is a bit verbose with its error messages. Reverse the reporting so we only print when we successfully enable I/O event interrupts. Signed-off-by:

Anton Blanchard <anton@samba.org> Signed-off-by:

Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/platforms/pseries/io_event_irq.c

+3 −5

Original line number	Diff line number	Diff line
		@@ -212,17 +212,15 @@ static int __init ioei_init(void)
		struct device_node *np;

		ioei_check_exception_token = rtas_token("check-exception");
		if (ioei_check_exception_token == RTAS_UNKNOWN_SERVICE) {
		pr_warning("IO Event IRQ not supported on this system !\n");
		if (ioei_check_exception_token == RTAS_UNKNOWN_SERVICE)
		return -ENODEV;
		}

		np = of_find_node_by_path("/event-sources/ibm,io-events");
		if (np) {
		request_event_sources_irqs(np, ioei_interrupt, "IO_EVENT");
		pr_info("IBM I/O event interrupts enabled\n");
		of_node_put(np);
		} else {
		pr_err("io_event_irq: No ibm,io-events on system! "
		"IO Event interrupt disabled.\n");
		return -ENODEV;
		}
		return 0;

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